Question
Solve the equation
x=28
Evaluate
43x−7=21x
Move the variable to the left side
43x−7−21x=0
Subtract the terms
More Steps

Evaluate
43x−21x
Collect like terms by calculating the sum or difference of their coefficients
(43−21)x
Subtract the numbers
More Steps

Evaluate
43−21
Reduce fractions to a common denominator
43−2×22
Multiply the numbers
43−42
Write all numerators above the common denominator
43−2
Subtract the numbers
41
41x
41x−7=0
Move the constant to the right side
41x=0+7
Removing 0 doesn't change the value,so remove it from the expression
41x=7
Multiply by the reciprocal
41x×4=7×4
Multiply
x=7×4
Solution
x=28
Show Solution

Rewrite the equation
x=28
Evaluate
43x−7=21x
Multiply both sides of the equation by LCD
3x−28=2x
Move the variable to the left side
x−28=0
Solution
x=28
Show Solution
